To
understand any kind of communication technology, you should be able to answer
to several basic questions about it. In other words, if you can answer the
following questions, I would say you already have some general understanding on
it.
- Is it wired communication?
or Wireless communication ?
- If it is
wireless communication, what kind of wave length (frequency) range it uses
?
- What is the
typical range of communication? (How far it can go) ?
- What is the
typical data rate you can transmit and receive ?
- What is the
typical connection topology ? (Is it one-to-one connection ? or
one-to-many connection ? etc)
Can
you find the answers to these questions from the wikipedia definition that I
quoted above?
Let's
tackle each of the questions one by one.
- Is it wired communication?
or Wireless communication ? ==> It is 'wireless Communication'.
- If it is
wireless communication, what kind of wave length (frequency) range it uses?
==> It is 2400~2800 Mhz frequency Range called ISM (Industrial Science
Medical) band.
- What is the
typical range of communication ? (How far it can go) ? ==> It is
usually a couple meter range (The wikipedia definition does not explictely
say about the range though)
- What is the
typical data rate you can transmit and receive ? ==> At the beginning,
it started with the max data rate of 1 Mbp and now mostly 2,3 Mbps (EDR).
Recent specification defines the technology for even higher data rate.
- What is the
typical connection topology ? (Is it one-to-one connection ? or
one-to-many connection ? etc) ==> It support both one-to-one and
one-to-many connection.
Typical
Bluetooth Application
Headset
Hands-free Automotive
Dial-up
Networking
Ad-hoc
File Transfer
PC-Peripherals,
Printing
Stereo
Audio
Image
Home
Automation
Music
Player Synch
Video
Transfer
Smart
Remotes